Propagation by Seed

Time of year to collect seed: Autumn
Time of year to sow seed: Summer
Preferred temperature for germination: 55-60 degrees F
Time required for germination: 8-12 weeks
Comment: Cold-warm stratification 120-365 days. Seeds should be covered with 1/2 inch of soil. Seedbeds should be mulched first and second Winters. Shade needed in Summer. Some seeds will not germinate until the second Summer.